Sentences with phrase «influences global temperature»

Changes in this delicate balance are one way that the land surface influences global temperature.

The theory is that the Southern Oscillation Index influences the global temperature anomaly.

This is surprising at first because CO2 is of course not the only factor that influences global temperature.

Such model included meteorological factors like levels of aerosols, anthropogenic and biogenic volatile organic compounds (VOCs), ozone, carbon dioxide, methane, and other items that influence global temperature — the surface albedo among them.

Cosmic ray counts have increased over the past 50 years, so if they do influence global temperatures, they are having a cooling effect.

Climate researchers have long been aware that ENSO events influence global temperature, for example causing a high temperature spike in 1998 and a subsequent fall as conditions moved to La Niña.

Member of the team Alena Kimbrough says, «We've shown ENSO is an important part of the climate system that has influenced global temperatures and rainfall over the past millennium... Our findings, together with climate model simulations, highlight the likelihood that century - scale variations in tropical Pacific climate modes can significantly modulate radiatively forced shifts in global temperature.»

El Niño events normally peak around the turn of the year, meaning an event tends to influence global temperatures for at least two years.

So even assuming that reductions of human - induced CO2 emissions would have any effect on atmospheric CO2 levels, the reductions would not influence global temperatures according to the Wallace et al., 2016 study.

The IPO is also thought to influence global temperature, as the current hiatus in global warming has been related to the late 1990's phase change [Meehl et al., 2013; England et al., 2014].

Robock used a simple energy balance model to investigate how various forcings, both natural and anthropogenic, may have influenced global temperatures from about the 1880s to the 1960s.

Steve Fitzpatrick says: «It is an real contribution to link the ENSO to the AMO (this gives the AMO a more solid rational for influencing global temperatures), but it is I think unwise to suggest that ENSO driven cycles are (rather than could possibly be) responsible for most of the observed ocean surface warming since 1900.»

It is an real contribution to link the ENSO to the AMO (this gives the AMO a more solid rational for influencing global temperatures), but it is I think unwise to suggest that ENSO driven cycles are (rather than could possibly be) responsible for most of the observed ocean surface warming since 1900.

In fact, the centre says they are just two of the whole host of known factors that influence global temperatures - all of which are accounted for by its models.

«given the variety of factors that can influence global temperatures, it is striking that such a consistent pattern between CO 2 and temperature emerges for many intervals of the Phanerozoic.»

This is in large part due to the El Nino cycle, which strongly influences global temperatures and varies over a period of about 60 months.

And, when you have fully two cycles of a 60 year oscillation evident within the higher accuracy, directly measured data spanning the previous century, and it appears all over the place in proxy reconstructions over thousands of years as well... Then, by gum, there's a 60 year quasi-cyclic phenomenon influencing global temperatures.

I recognise PDO is not ENSO, indeed they have a somewhat inverse relationship; however given how strongly connected they are, any ENSO signal significant enough to influence global temperature trends ought survive in PDO..

External forcings come from outside Earth's climate system to influence global temperature.

Do we really have to discuss the CO2 relationships when we keep repeating that history shows no correlation of CO2 influencing global temperatures?

OT: An intriguing (to me) possibility is that ITCZ migration might influence global temperatures.

A system - dynamics model that couples a psychological model of behaviour with a model of emissions and climate change shows that behaviour can influence global temperature in the year 2100 by up to 1.5 °C.

Cosmic ray counts have increased over the past 50 years, so if they do influence global temperatures, they are having a cooling effect.

Not exact matches

A joint statement from the National Academy of Sciences and Royal Society in Britain said «human - induced increases in CO2 (carbon dioxide) concentrations have been the dominant influence on the long - term global surface temperature increase.»

Hurricanes are certainly influenced by global temperatures.

Although the UK's nuclear arsenal guaranteed its continued global influence in the Cold War, it was the nuclear deterrence developed between the USA and the USSR - the belief that any attack would lead to massive nuclear retaliation and «mutually assured destruction» - that maintained the temperature between the 1950s and 1990s.

A range of factors influence the spread of the dengue virus, but rising global temperatures may be the most important of all.

It's further evidence that developing economies are having ever - greater influence on global temperatures.

He didn't flinch from controversy, presenting evidence for human influence on global temperature and debunking common «natural causes» myths.

The strength and path of the North Atlantic jet stream and the Greenland blocking phenomena appear to be influenced by increasing temperatures in the Arctic which have averaged at least twice the global warming rate over the past two decades, suggesting that those marked changes may be a key factor affecting extreme weather conditions over the UK, although an Arctic connection may not occur each year.

The models must track how carbon dioxide and other greenhouse gases cycle through the whole system — how the gases interact with plant life, oceans, the atmosphere — and how this influences overall global temperatures.

As a businessman and a candidate, Trump spoke frequently of his doubts about people's influence on global temperatures.

It included graphs that appeared to show a remarkably close correlation between solar activity and terrestrial temperatures — suggesting that other factors, such as carbon dioxide levels, have little influence on global temperatures.

But the fact remains that they are distinct, showing that rising global ocean surface temperatures directly influence UK winter rainfall.

«Human influence is so dominant now,» Baker asserts, «that whatever is going to go on in the tropics has much less to do with sea surface temperatures and the earth's orbital parameters and much more to do with deforestation, increasing atmospheric carbon dioxide and global warming.»

«The model also suggests ongoing warming of global temperatures will likely influence the ecology and distribution of such medically important ticks, favoring more tick - borne diseases among people and pets.

But the U.K. Met Office (national weather service), the U.S.'s National Center for Atmospheric Research and other partners around the globe aim to change that in the future by developing regular assessments — much like present evaluations of global average temperatures along with building from the U.K. flooding risk modeling efforts — to determine how much a given season's extreme weather could be attributed to human influence.

In addition, global sea level can fluctuate due to climate patterns such as El Niños and La Niñas (the opposing phases of the El Niño Southern Oscillation, or ENSO) which influence ocean temperature and global precipitation patterns.

Alternatively, Camp 2007 adopts an empirical approach to calculate solar influence on global temperature.

That analysis, which broke down the effects of a number of different possible influences on the global temperature, found that El Niño provided only a relatively small, though still noticeable, assist.

As alluded to in our post, one important issue is the possibility that changes in El Nino may have significantly offset opposite temperature variations in the extratropics, moderating the influence of the extratropical «Little Ice Age» and «Medieval Warm Period» on hemispheric or global mean temperatures (e.g. Cobb et al (2003).

As a consequence, their results are strongly influenced by the low increase in observed warming during the past decade (about 0.05 °C / decade in the 1998 — 2012 period compared to about 0.12 °C / decade from 1951 to 2012, see IPCC 2013), and therewith possibly also by the incomplete coverage of global temperature observations (Cowtan and Way 2013).

The Sun has both direct and indirect influences over the Earth's temperature, and we can evaluate whether these effects could be responsible for a significant amount of the recent global warming.

The global temperatures in 2015 were strongly influenced by strong El Niño conditions that developed during the year.

«Solar cycle variability may therefore play a significant role in regional surface temperatures, even though its influence on the global mean surface temperature is small (0.07 K for December — February).»

Overall the results suggest that the Southern Oscillation exercises a consistently dominant influence on mean global temperature, with a maximum effect in the tropics, except for periods when equatorial volcanism causes ad hoc cooling.

Incidentally, as I see it, your reconstruction of Manns data showing the 15th century to be warmer than now is even more damming than Manns original construct, as it indicates a gradual decline in global temperatures until 1850, before human influence reversed that trend.

The paper claiming a link between global warming and the El Niño Southern Oscillation (ENSO) is Influence of the Southern Oscillation on tropospheric temperature (McLean 2009).

Henrik Svensmark has proposed that galactic cosmic rays (GCRs) could exert significant influence over global temperatures (Svensmark 1998).

Shindell et al. (1999) examined this possibility, but found that while this UV variability has a significant influence over regional temperatures, it has little effect on global surface temperatures.